Error guide
Code overview
Quick answer — F40 appears on Asko dishwashers as Inlet valve leakage. It is listed for the DBI664 XXL and DBI564 series.
Inlet valve leakage.
Model note: ASKO reuses codes across series and model years, so F40 Inlet valve leakage may mean something different on another appliance or generation. Confirm against your model’s documentation and record the full model number before acting.
- Error code: F40 Inlet valve leakage
- Appliance: Dishwasher
Inlet valve leakage is the full wording behind F40 on an Asko dishwasher. DBI664 XXL and DBI564 series machines use the code.
Meaning and next step
The message concerns the valve through which water enters the dishwasher. Beyond the name, the manuals say nothing for owners to do, so a service visit is the way forward.
Also on the list:
- F12: the water inlet fault
- F41: the heater fault, which concerns a different component
- F45: the diverter fault
Asko dishwasher service in Los Angeles
For Asko Dishwasher service in Los Angeles, phone (310) 651-7716. A short note of the F40 message, your model number and what you tried makes the call quicker, and Dishwasher repair details are one click away.
Source: ASKO Dishwasher DBI664 XXL Operating Instructions (US); ASKO Dishwasher User Manual DBI564IS.U / DBI564TS.U / DBI564THS.U / DBI564PHS.U
Safety first
Important safety warning
Do not attempt repairs involving electrical components, gas, water lines, refrigerant or sealed systems. Unplug the appliance if it is safe to reach the outlet, and leave internal diagnostics to a qualified technician.
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Share your model and that you are seeing F40 Inlet valve leakage — we’ll confirm an appointment. Prefer to talk? Call us and we’ll help right away.
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